Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 176
PHASE B SECONDARY t MAINS … PHASE A. PHASE B PlG. 1,997.—-Two phase transformer connections, with secondaries arranged for three wiredistribution, the primaries being independently connected to the two phases. In thethree wire circuit, the middle or neutral wire is made about one-half larger than each ofthe two outer wires.…
Electrical engineering
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